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load permissions properly in a third place

This commit is contained in:
Kartik K. Agaram 2022-01-04 21:41:41 -08:00
parent 4018c2e8e2
commit 3d6b9b0adc
1 changed files with 9 additions and 2 deletions
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11
src/teliva.c
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@ -1287,6 +1287,7 @@ extern void editNonCode2(char* filename);
extern void resumeNonCodeEdit();
static void edit_file_operations_predicate_body() {
static char file_operations_predicate_body_buffer[512];
static char file_operations_predicate_buffer[1024];
/* save to disk */
char outfilename[] = "teliva_file_operations_predicate_body_XXXXXX";
int outfd = mkstemp(outfilename);
@ -1310,7 +1311,13 @@ static void edit_file_operations_predicate_body() {
FILE* in = fopen("teliva_file_operations_predicate_body", "r");
fread(file_operations_predicate_body_buffer, 500, 1, in); /* TODO: error message if file too large */
fclose(in);
status = luaL_loadbuffer(trustedL, file_operations_predicate_body_buffer, strlen(file_operations_predicate_body_buffer), "file_operation_permitted")
memset(file_operations_predicate_buffer, '\0', 1024);
strcpy(file_operations_predicate_buffer, "function file_operation_permitted(filename, mode)\n");
strncat(file_operations_predicate_buffer, file_operations_predicate_body, 1020);
if (file_operations_predicate_buffer[strlen(file_operations_predicate_buffer)-1] != '\n')
strncat(file_operations_predicate_buffer, "\n", 1020);
strncat(file_operations_predicate_buffer, "end", 1020);
status = luaL_loadbuffer(trustedL, file_operations_predicate_buffer, strlen(file_operations_predicate_buffer), "file_operation_permitted")
|| docall(trustedL, 0, 1);
if (status == 0 || lua_isnil(trustedL, -1))
break;
@ -1408,7 +1415,7 @@ static void save_permissions_to_user_configuration(lua_State* L) {
static void load_permissions_from_user_configuration(lua_State* L) {
static char file_operations_predicate_body_buffer[512];
initialize_trustedL();
char file_operations_predicate_buffer[1024];
static char file_operations_predicate_buffer[1024];
memset(file_operations_predicate_buffer, '\0', 1024);
file_operations_predicate_body = default_file_operations_predicate_body;
strcpy(file_operations_predicate_buffer, "function file_operation_permitted(filename, mode)\n");